class Ether that also exposes a Flowable for the data send to this class Etherclass Etherinterface IDataPublisher of type T and
a Flowable to listen for triggers of type Uclass Etherclass Etherclass Etherinterface IDataPublisher for type Tinterface IDataPublisher for type Tclass Etherinterface IDataSubscriber to receive new datainterface IDataObservable for type Tinterface IDataObservable for type T